30012043 has 4 divisors (see below), whose sum is σ = 30087288. Its totient is φ = 29936800.

The previous prime is 30012029. The next prime is 30012107. The reversal of 30012043 is 34021003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30012043 - 2¹⁷ = 29880971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37021 + ... + 37822.

It is an arithmetic number, because the mean of its divisors is an integer number (7521822).

Almost surely, 2^30012043 is an apocalyptic number.

30012043 is a deficient number, since it is larger than the sum of its proper divisors (75245).

30012043 is an equidigital number, since it uses as much as digits as its factorization.

30012043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75244.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30012043 is about 5478.3248352028. The cubic root of 30012043 is about 310.7648232564.

Adding to 30012043 its reverse (34021003), we get a palindrome (64033046).

The spelling of 30012043 in words is "thirty million, twelve thousand, forty-three".